diff --git a/mm/slab.c b/mm/slab.c
index 7dfa481c96bade62ae4ba34299dcd4fb8d79cdb3..4e61449d7946658b3283ce01ca97cb05fdd8314b 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -3109,7 +3109,8 @@ static inline void *____cache_alloc(struct kmem_cache *cachep, gfp_t flags)
 	 * per-CPU caches is leaked, we need to make sure kmemleak doesn't
 	 * treat the array pointers as a reference to the object.
 	 */
-	kmemleak_erase(&ac->entry[ac->avail]);
+	if (objp)
+		kmemleak_erase(&ac->entry[ac->avail]);
 	return objp;
 }